/ Dictionary / Index T toothache: Meaning and Definition of Find definitions for: tooth•ache Pronunciation: (tth'āk"), [key] — n. a pain in or about a tooth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: toothache (Thesaurus) tooth toothache tree Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language